一年级下数学在括号里填数.doc

一年级下数学在括号里填数70 + ( )24+2 40+ ( ) 39+4 80+ ( )78+690 + ( )89+10 50+ ( ) 46+6 66-( ) 4+6050+ ( )48+8 74-( )82+7 82-( )0+90 （ )-7=52+8 （ )+3 36+7 （ )+4041+319 +( ) 20+5 42 + ( )59+4 17+ ( )46+7 52 +( )80+478- ( ) 20+40 ( ) -3255+5 ( ) -5012+8 67-( ) 44+9 77- ( ) 65+20 ( )+35 64+630+ ( ) 69+6 ( )+ 751+30 ( )+ 1323+30 ( )+1375+5( )+ 860+4 ( )+ 372+20 ( )-3036+4 79-( ) 5+3( )-1954-1 83 -( )60-20 ( ) +9 57-8 86-( ) 16-7( ) + 1892-30 46 + ( )60+1 ( ) +25 95-20 37+( )82-4（ )+3029+9 （ )+8079+9 （ )+60 71-5 ( )+5091-4 30 + ( ) 42-9 40 + ( ) 54-9 8+( )93-5 5 + ( )77-8 8 + ( )32-4 80+ ( )91-7 6 +( )76+2080 +( )95-8 8 + ( )62-8 20 + ( ) 90-40 10 + ( ) 21-4 80-( ) 91-10 65-( ) 60-10 70-( ) 55-20 60 + ( ) 90+0 （ )+31 49+4 （ ）+23 51-6 ( ) +40 30+70 （ ）+80 70+22 20 + ( ) 72+8 15-( ) 50-40 70 +( )60+40 30+( )80+9 ( )+542-5 口算( )-1080-0 ( )-40 17+3 ( )-55 54-9 74-( )90-20 80+ ( )93-4 82-( )40+13 77- ( ) 30+14 ( ) +2360+25 ( )+3569+130+ ( )74-9 ( )+ 776-8 ( )+ 1352-9 ( )+1372+8( )+ 860+4 ( )+ 360+32 ( )-3010+30 79-( ) 68-60( )-1993-40 83 -( )46-40 ( ) +9 40+9 86-( )6+3( ) + 1861-9 46 + ( )73-9 ( ) +25 81-6 37+( )72+6（ )+30 30+8 （ )+80 92-6 （ )+60 60+6 ( )+5061-3 3 + ( )80+3 30 + ( ) 42-9 40 + ( )50-5 8+( )90-2 5 + ( )70-5 8 + ( )30-2 80+ ( )90-7 6 +( )42-7 60 + ( ) 90-0 （ )+3150+3 （ ）+23 25+20 ( ) +40 =70+30 （ ）+80 62+30 20 + ( )76+4 15-( )20-10 70 +( )=80+20 30+( )50+0